Magnetic and calorimetric studies on Ba3LnRu2O9(Ln = Gd, Ho–Yb) with 6H-perovskite structure

Yoshihiro Doi; Yukio Hinatsu

doi:10.1039/B111504A

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Yoshihiro Doi^a and Yukio Hinatsu^a

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^a Division of Chemistry, Graduate School of Science Hokkaido University, Sapporo, Japan

Abstract

Crystal structures and magnetic properties of the quaternary oxides Ba₃LnRu₂O₉ (Ln = Gd, Ho–Yb) are reported. These compounds have the 6H-perovskite structure with space group P6₃/mmc. This structure consists of linkages between LnO₆ octahedra and Ru₂O₉ dimers made from face-shared RuO₆ octahedra. From their magnetic susceptibility and specific heat measurements, we have found that these compounds show magnetic anomalies at 14.8 K (Ln = Gd), 10.2 K (Ho), 6.0 K (Er), 8.3 K (Tm), and 4.5 K (Yb). It is considered that they are due to the antiferromagnetic interaction between Ln³⁺ ions.

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Supplementary files

Crystal structure data TXT (23K)

Article information

DOI: https://doi.org/10.1039/B111504A
Article type: Paper
Submitted: 17 Dec 2001
Accepted: 19 Mar 2002
First published: 15 Apr 2002

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J. Mater. Chem., 2002,12, 1792-1795

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Magnetic and calorimetric studies on Ba₃LnRu₂O₉ (Ln = Gd, Ho–Yb) with 6H-perovskite structure

Y. Doi and Y. Hinatsu, J. Mater. Chem., 2002, 12, 1792 DOI: 10.1039/B111504A

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